module RuboCop::Cop::MultilineExpressionIndentation

def keyword_message_tail(node)
  keyword = node.loc.keyword.source
  kind    = keyword == 'for' ? 'collection' : 'condition'
  article = keyword =~ /^[iu]/ ? 'an' : 'a'
  format(KEYWORD_MESSAGE_TAIL, kind: kind,
                               article: article,
                               keyword: keyword)
end